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Improving Nitrogen Use Efficiency
Jagdish Kumar Ladha; Contributions by Claudia Wagner-Riddle, Brent Kaiser, Nandula Raghuram, Brenda Tubana, …
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R5,681
Discovery Miles 56 810
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Ships in 12 - 17 working days
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In the last 60 years fertiliser use in agriculture has increased by
900%. However, it’s been reported that up to 80% of these
fertilisers are not utilised by crops but are lost to the
environment as nitrous oxide, ammonia and nitrate. Improving
nitrogen use efficiency is recognised as one possible solution to
reducing the sector’s environmental impact and optimising its
productivity and sustainability in the face of increasing pressure
to feed a growing population. Improving nitrogen use efficiency in
crop production reviews recent advances in understanding nitrogen
cycling in soil and best practices to assess crop nitrogen status,
such as the use of proximal sensors and remote sensing techniques.
The book considers developments in the use of inorganic nitrogen
fertilisers and their effectiveness in optimising nitrogen use
efficiency, as well as how more organic sources of nitrogen, such
as livestock manure, can be optimised to achieve the same goal.
Recent IPCC reports have highlighted the environmental impact of
livestock production as a major source of non-CO2 emissions:
methane (CH4), nitrous oxide (N2O) and ammonia (NH3). The livestock
sector must react to these reports and develop or implement methods
that can reduce greenhouse (GHG) emissions from livestock
production. Reducing greenhouse gas emissions from livestock
production provides authoritative reviews on measuring GHG
emissions from livestock as well as the range of methods that can
be applied to reduce emissions, ranging from breeding to animal
health and manure management. The collection also reviews
nutritional approaches such as improving forage quality and the use
of plant bioactive compounds and other feed supplements to limit
emissions by modifying the rumen environment. Drawing in an
international range of expert authors, Reducing greenhouse gas
emissions from livestock production summarises what we can do to
make livestock production more sustainable and viable for the
future. It will be a major reference for the livestock
(particularly dairy) science research community, environmental
scientists, government and other agencies tackling the challenge of
climate change, as well as companies involved in livestock
production and processing of dairy and meat products.
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